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Analysis
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max time kernel
67s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
23/12/2022, 22:16
Static task
static1
Behavioral task
behavioral1
Sample
5de6cdcc448e4a6af82c795750603275f51e764a357e8439c9837268f0dad2de.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
5de6cdcc448e4a6af82c795750603275f51e764a357e8439c9837268f0dad2de.exe
Resource
win10v2004-20221111-en
General
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Target
5de6cdcc448e4a6af82c795750603275f51e764a357e8439c9837268f0dad2de.exe
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Size
746KB
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MD5
1c1aa12967b3ed3043ad16c1f8d6b54f
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SHA1
dba7f6324ef35a521e136230a5f2b9686c7b2150
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SHA256
5de6cdcc448e4a6af82c795750603275f51e764a357e8439c9837268f0dad2de
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SHA512
23e321cccdc1fd8fbb8f3e331e865bfc8f5270ffdadc8b7062e7a1aa8e05c0dba5f95682be3413e5325d70c0f6fab3bb61452695f920dc67fdacacbb2d5fc2e8
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SSDEEP
12288:fbnxitpeOnShgCytH1SL1esWb/Ln+zpCL8037tXTLk8qKPqJWNVH/8:9iv341yp141eD/+zwL8aTXvqJWbH/
Malware Config
Extracted
djvu
http://abibiall.com/test1/get.php
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extension
.isal
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offline_id
m3KmScxfDyEQzJYP8qjOSfP4FvpsOXlekGuMPzt1
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payload_url
http://uaery.top/dl/build2.exe
http://abibiall.com/files/1/build3.exe
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ransomnote
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Signatures
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Detected Djvu ransomware 10 IoCs
resource yara_rule behavioral2/memory/2744-133-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2744-134-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2744-135-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2744-137-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/4160-138-0x00000000021A0000-0x00000000022BB000-memory.dmp family_djvu behavioral2/memory/2744-142-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1644-145-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1644-147-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1644-152-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1644-164-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu -
Djvu Ransomware
Ransomware which is a variant of the STOP family.
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Downloads MZ/PE file
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Executes dropped EXE 2 IoCs
pid Process 3844 build2.exe 4032 build2.exe -
Checks computer location settings 2 TTPs 3 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Control Panel\International\Geo\Nation 5de6cdcc448e4a6af82c795750603275f51e764a357e8439c9837268f0dad2de.exe Key value queried \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Control Panel\International\Geo\Nation 5de6cdcc448e4a6af82c795750603275f51e764a357e8439c9837268f0dad2de.exe Key value queried \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Control Panel\International\Geo\Nation build2.exe -
Loads dropped DLL 2 IoCs
pid Process 4032 build2.exe 4032 build2.exe -
Modifies file permissions 1 TTPs 1 IoCs
pid Process 1756 icacls.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\f38f7e71-52c1-40e7-bb6a-e860f6cf1723\\5de6cdcc448e4a6af82c795750603275f51e764a357e8439c9837268f0dad2de.exe\" --AutoStart" 5de6cdcc448e4a6af82c795750603275f51e764a357e8439c9837268f0dad2de.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 17 api.2ip.ua 11 api.2ip.ua 12 api.2ip.ua -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 4160 set thread context of 2744 4160 5de6cdcc448e4a6af82c795750603275f51e764a357e8439c9837268f0dad2de.exe 84 PID 2660 set thread context of 1644 2660 5de6cdcc448e4a6af82c795750603275f51e764a357e8439c9837268f0dad2de.exe 90 PID 3844 set thread context of 4032 3844 build2.exe 94 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 build2.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString build2.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 1100 timeout.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2744 5de6cdcc448e4a6af82c795750603275f51e764a357e8439c9837268f0dad2de.exe 2744 5de6cdcc448e4a6af82c795750603275f51e764a357e8439c9837268f0dad2de.exe 1644 5de6cdcc448e4a6af82c795750603275f51e764a357e8439c9837268f0dad2de.exe 1644 5de6cdcc448e4a6af82c795750603275f51e764a357e8439c9837268f0dad2de.exe 4032 build2.exe 4032 build2.exe -
Suspicious use of WriteProcessMemory 44 IoCs
description pid Process procid_target PID 4160 wrote to memory of 2744 4160 5de6cdcc448e4a6af82c795750603275f51e764a357e8439c9837268f0dad2de.exe 84 PID 4160 wrote to memory of 2744 4160 5de6cdcc448e4a6af82c795750603275f51e764a357e8439c9837268f0dad2de.exe 84 PID 4160 wrote to memory of 2744 4160 5de6cdcc448e4a6af82c795750603275f51e764a357e8439c9837268f0dad2de.exe 84 PID 4160 wrote to memory of 2744 4160 5de6cdcc448e4a6af82c795750603275f51e764a357e8439c9837268f0dad2de.exe 84 PID 4160 wrote to memory of 2744 4160 5de6cdcc448e4a6af82c795750603275f51e764a357e8439c9837268f0dad2de.exe 84 PID 4160 wrote to memory of 2744 4160 5de6cdcc448e4a6af82c795750603275f51e764a357e8439c9837268f0dad2de.exe 84 PID 4160 wrote to memory of 2744 4160 5de6cdcc448e4a6af82c795750603275f51e764a357e8439c9837268f0dad2de.exe 84 PID 4160 wrote to memory of 2744 4160 5de6cdcc448e4a6af82c795750603275f51e764a357e8439c9837268f0dad2de.exe 84 PID 4160 wrote to memory of 2744 4160 5de6cdcc448e4a6af82c795750603275f51e764a357e8439c9837268f0dad2de.exe 84 PID 4160 wrote to memory of 2744 4160 5de6cdcc448e4a6af82c795750603275f51e764a357e8439c9837268f0dad2de.exe 84 PID 2744 wrote to memory of 1756 2744 5de6cdcc448e4a6af82c795750603275f51e764a357e8439c9837268f0dad2de.exe 86 PID 2744 wrote to memory of 1756 2744 5de6cdcc448e4a6af82c795750603275f51e764a357e8439c9837268f0dad2de.exe 86 PID 2744 wrote to memory of 1756 2744 5de6cdcc448e4a6af82c795750603275f51e764a357e8439c9837268f0dad2de.exe 86 PID 2744 wrote to memory of 2660 2744 5de6cdcc448e4a6af82c795750603275f51e764a357e8439c9837268f0dad2de.exe 88 PID 2744 wrote to memory of 2660 2744 5de6cdcc448e4a6af82c795750603275f51e764a357e8439c9837268f0dad2de.exe 88 PID 2744 wrote to memory of 2660 2744 5de6cdcc448e4a6af82c795750603275f51e764a357e8439c9837268f0dad2de.exe 88 PID 2660 wrote to memory of 1644 2660 5de6cdcc448e4a6af82c795750603275f51e764a357e8439c9837268f0dad2de.exe 90 PID 2660 wrote to memory of 1644 2660 5de6cdcc448e4a6af82c795750603275f51e764a357e8439c9837268f0dad2de.exe 90 PID 2660 wrote to memory of 1644 2660 5de6cdcc448e4a6af82c795750603275f51e764a357e8439c9837268f0dad2de.exe 90 PID 2660 wrote to memory of 1644 2660 5de6cdcc448e4a6af82c795750603275f51e764a357e8439c9837268f0dad2de.exe 90 PID 2660 wrote to memory of 1644 2660 5de6cdcc448e4a6af82c795750603275f51e764a357e8439c9837268f0dad2de.exe 90 PID 2660 wrote to memory of 1644 2660 5de6cdcc448e4a6af82c795750603275f51e764a357e8439c9837268f0dad2de.exe 90 PID 2660 wrote to memory of 1644 2660 5de6cdcc448e4a6af82c795750603275f51e764a357e8439c9837268f0dad2de.exe 90 PID 2660 wrote to memory of 1644 2660 5de6cdcc448e4a6af82c795750603275f51e764a357e8439c9837268f0dad2de.exe 90 PID 2660 wrote to memory of 1644 2660 5de6cdcc448e4a6af82c795750603275f51e764a357e8439c9837268f0dad2de.exe 90 PID 2660 wrote to memory of 1644 2660 5de6cdcc448e4a6af82c795750603275f51e764a357e8439c9837268f0dad2de.exe 90 PID 1644 wrote to memory of 3844 1644 5de6cdcc448e4a6af82c795750603275f51e764a357e8439c9837268f0dad2de.exe 93 PID 1644 wrote to memory of 3844 1644 5de6cdcc448e4a6af82c795750603275f51e764a357e8439c9837268f0dad2de.exe 93 PID 1644 wrote to memory of 3844 1644 5de6cdcc448e4a6af82c795750603275f51e764a357e8439c9837268f0dad2de.exe 93 PID 3844 wrote to memory of 4032 3844 build2.exe 94 PID 3844 wrote to memory of 4032 3844 build2.exe 94 PID 3844 wrote to memory of 4032 3844 build2.exe 94 PID 3844 wrote to memory of 4032 3844 build2.exe 94 PID 3844 wrote to memory of 4032 3844 build2.exe 94 PID 3844 wrote to memory of 4032 3844 build2.exe 94 PID 3844 wrote to memory of 4032 3844 build2.exe 94 PID 3844 wrote to memory of 4032 3844 build2.exe 94 PID 3844 wrote to memory of 4032 3844 build2.exe 94 PID 4032 wrote to memory of 2952 4032 build2.exe 95 PID 4032 wrote to memory of 2952 4032 build2.exe 95 PID 4032 wrote to memory of 2952 4032 build2.exe 95 PID 2952 wrote to memory of 1100 2952 cmd.exe 97 PID 2952 wrote to memory of 1100 2952 cmd.exe 97 PID 2952 wrote to memory of 1100 2952 cmd.exe 97
Processes
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C:\Users\Admin\AppData\Local\Temp\5de6cdcc448e4a6af82c795750603275f51e764a357e8439c9837268f0dad2de.exe"C:\Users\Admin\AppData\Local\Temp\5de6cdcc448e4a6af82c795750603275f51e764a357e8439c9837268f0dad2de.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4160 -
C:\Users\Admin\AppData\Local\Temp\5de6cdcc448e4a6af82c795750603275f51e764a357e8439c9837268f0dad2de.exe"C:\Users\Admin\AppData\Local\Temp\5de6cdcc448e4a6af82c795750603275f51e764a357e8439c9837268f0dad2de.exe"2⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2744 -
C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\f38f7e71-52c1-40e7-bb6a-e860f6cf1723" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
PID:1756
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C:\Users\Admin\AppData\Local\Temp\5de6cdcc448e4a6af82c795750603275f51e764a357e8439c9837268f0dad2de.exe"C:\Users\Admin\AppData\Local\Temp\5de6cdcc448e4a6af82c795750603275f51e764a357e8439c9837268f0dad2de.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2660 -
C:\Users\Admin\AppData\Local\Temp\5de6cdcc448e4a6af82c795750603275f51e764a357e8439c9837268f0dad2de.exe"C:\Users\Admin\AppData\Local\Temp\5de6cdcc448e4a6af82c795750603275f51e764a357e8439c9837268f0dad2de.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1644 -
C:\Users\Admin\AppData\Local\2f1b2ace-3eb2-4793-ac95-8f2c14b53f5e\build2.exe"C:\Users\Admin\AppData\Local\2f1b2ace-3eb2-4793-ac95-8f2c14b53f5e\build2.exe"5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3844 -
C:\Users\Admin\AppData\Local\2f1b2ace-3eb2-4793-ac95-8f2c14b53f5e\build2.exe"C:\Users\Admin\AppData\Local\2f1b2ace-3eb2-4793-ac95-8f2c14b53f5e\build2.exe"6⤵
- Executes dropped EXE
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4032 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\2f1b2ace-3eb2-4793-ac95-8f2c14b53f5e\build2.exe" & exit7⤵
- Suspicious use of WriteProcessMemory
PID:2952 -
C:\Windows\SysWOW64\timeout.exetimeout /t 68⤵
- Delays execution with timeout.exe
PID:1100
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
133KB
MD58f73c08a9660691143661bf7332c3c27
SHA137fa65dd737c50fda710fdbde89e51374d0c204a
SHA2563fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd
SHA5120042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89
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Filesize
1.2MB
MD5bfac4e3c5908856ba17d41edcd455a51
SHA18eec7e888767aa9e4cca8ff246eb2aacb9170428
SHA256e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78
SHA5122565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
Filesize2KB
MD5d725336098482e86274e5930393506a1
SHA17cb24085418693dc0c0fc876b6f7d2d400a7c256
SHA256a2550a47e8dee78c170ecdfc8918137469b6115cf32fedc091b80c7dea2701a1
SHA512f67ff810c97f14f9704439a7a3d34588b013eedc97149298c833926bc92d12b1e76b68c684863f86f8dede7fc677139f6c8af8e83bd43cad965ed32bda15ed3f
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
Filesize1KB
MD5bae107243c3c1cc23eb066f981b79948
SHA1ed066a4326ae4eb5db4b00b0bb0290f006ad456c
SHA2567d2ba9f4e363368512dc2388d792c3f971d18699234c4edab57ddd4053870026
SHA51267a0ba993ab7abab0973683f134d71ed96cbff33368b222fc84e57def50c57d1c6d1c64362738baa9efa8cd84a3ccee30cc67284b2cd8ea53cbb8d1bfed94764
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
Filesize488B
MD57b65cf785cbc8431e6fc6e915c96400b
SHA1bbe76eb330d01043ff6e40c00b725a32de65629a
SHA256bfeab37b1ca70573067d910961dc6ff1b93c3b049547ae54b9ec740704f550ce
SHA5128e61d2a60d51a4c5d5c88e4a0b71722e285675672608ee6fc46f789e2fa33f91ac64211e2b20b06fb0f0a7d378c4d0bf6daa4e97b462ede3adff2353fa995549
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
Filesize482B
MD5d6b10ee4adfbf335b1e59f1d3d6442b0
SHA146b5f588b7382bff0aaccda00e3c3eb02a490147
SHA25625ae173699da11e9ef0f78ee5427c77796d4d2eec41cc8d91e7dde13b7f3c266
SHA512e8a25fc1a34ae24b2afac0343826453ee3c25a861ff58299d6caa6c09f965b60fc270c004ef651134880e4b90c67902bc71e00f798b4815578b68a20df66efa1
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Filesize
409KB
MD5a131064868de7468d2e768211431401b
SHA1381ad582f72b30b4764afe0a817569b384be65a2
SHA256027bcfc4c5b4a06371e94f4a6b5f69cbee5bcad651d91115132844a2c10885a1
SHA51240fc84899d7bed5c49980f984e3c1446dece3861e5e107fa71e1876f4b778aa8369f03422a971d144f8e65f62a109f53ba94e86bc6ddec478d1bc71f3bb29309
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Filesize
409KB
MD5a131064868de7468d2e768211431401b
SHA1381ad582f72b30b4764afe0a817569b384be65a2
SHA256027bcfc4c5b4a06371e94f4a6b5f69cbee5bcad651d91115132844a2c10885a1
SHA51240fc84899d7bed5c49980f984e3c1446dece3861e5e107fa71e1876f4b778aa8369f03422a971d144f8e65f62a109f53ba94e86bc6ddec478d1bc71f3bb29309
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Filesize
409KB
MD5a131064868de7468d2e768211431401b
SHA1381ad582f72b30b4764afe0a817569b384be65a2
SHA256027bcfc4c5b4a06371e94f4a6b5f69cbee5bcad651d91115132844a2c10885a1
SHA51240fc84899d7bed5c49980f984e3c1446dece3861e5e107fa71e1876f4b778aa8369f03422a971d144f8e65f62a109f53ba94e86bc6ddec478d1bc71f3bb29309
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C:\Users\Admin\AppData\Local\f38f7e71-52c1-40e7-bb6a-e860f6cf1723\5de6cdcc448e4a6af82c795750603275f51e764a357e8439c9837268f0dad2de.exe
Filesize746KB
MD51c1aa12967b3ed3043ad16c1f8d6b54f
SHA1dba7f6324ef35a521e136230a5f2b9686c7b2150
SHA2565de6cdcc448e4a6af82c795750603275f51e764a357e8439c9837268f0dad2de
SHA51223e321cccdc1fd8fbb8f3e331e865bfc8f5270ffdadc8b7062e7a1aa8e05c0dba5f95682be3413e5325d70c0f6fab3bb61452695f920dc67fdacacbb2d5fc2e8